package org.example;


import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;



@RestController
public class TestController {


    public static void main(String[] args) {
        System.out.println("804457475a434a59323331323138303230332e30312e30303034021508d4bfafacbcbc5fd7bfe1e9e5eb0000000000000000000000000000000000000000000000000000000000000000000000000000000000050000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000".length()/2);
    }

}
